import type { StyleValue } from "./style_props";
/**
 * Where a vertical `Step`'s marker sits against its content.
 *
 * The marker centres on the content's FIRST ROW — not on the content box, which
 * can be many lines tall — so the offset is derived from that row's height.
 */
/**
 * The marker disc's diameter — and, deliberately, `Checkbox`'s own, because a
 * toggleable step renders a real `Checkbox` in this slot. 24 in both shapes: a
 * ring and a box share the leading gutter on `Table` and `Checklist`.
 *
 * Every other measurement here derives from it, so this is the one number to
 * change.
 */
export declare const NODE = 24;
/** The accent ink and the row's own measures are DATA, so they reach the sheet
 *  as properties rather than as inline declarations no consumer can beat. */
export interface StepperStyle extends StyleValue {
    "--lotics-stepper-color"?: string;
    "--lotics-stepper-marker-offset"?: string;
    "--lotics-stepper-gap"?: string;
}
/** `vRowBox`'s vertical padding — the gap above the content's first row. */
export declare const STEP_ROW_PAD = 2;
/** The gap between a vertical step's marker column and its content. Read it with
 *  `STEP_ROW_INSET`, which follows it: the two together are what a reader sees
 *  between a ring and the words it belongs to. */
export declare const STEP_MARKER_GAP = 6;
/** The horizontal inset inside a step's row box (its hover/active wash). */
export declare const STEP_ROW_INSET = 10;
/** Where a vertical step's TEXT actually begins, from the run's left edge: the
 *  marker, the gap after it, AND the row box's own inset — all three, or a
 *  heading meant to share that edge lands 10px off it. */
export declare const STEP_TEXT_COLUMN: number;
/** A single line of `Text size="sm"` (`text.css`), which is what a step's first
 *  row is unless it carries a control — that rung's PROSE leading, not the 20 it
 *  takes at `leading="tight"`, which no `Step` sets. */
export declare const STEP_HEAD_TEXT_LINE = 24;
/** Top padding for the spine column so the marker's centre lands on the centre of
 *  a first row `headHeight` tall. Never negative: a row SHORTER than the marker
 *  would otherwise lift the disc out of the step's own bounds. */
export declare function markerTopOffset(headHeight: number): number;